File:An image tube instrument at the 2 1m (noao-02619).jpg

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Captions

Captions

Early instrumentation on Kitt Peak included image tube systems which used a high voltage electron cascade amplifier to detect fainter light than was possible with unaided photographic emulsions. Such an instrument is seen here at the 84-inch, now 2.

Summary

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Description
English: Early instrumentation on Kitt Peak included image tube systems which used a high voltage electron cascade amplifier to detect fainter light than was possible with unaided photographic emulsions. Such an instrument is seen here at the 84-inch, now 2.1-meter, telescope.
Date 30 June 2020, 21:53:00 (upload date)
Source An image tube instrument at the 2.1m
Author NOIRLab/NSF/AURA
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current22:28, 2 September 2023Thumbnail for version as of 22:28, 2 September 2023911 × 1,099 (273 KB)OptimusPrimeBot (talk | contribs)#Spacemedia - Upload of https://noirlab.edu/public/media/archives/images/large/noao-02619.jpg via Commons:Spacemedia

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